<?php
require('../fpdf.php');

class PDF extends FPDF
{
protected $B = 0;
protected $I = 0;
protected $U = 0;
protected $HREF = '';

function WriteHTML($html)
{
// HTML parser
$html = str_replace("\n",' ',$html);
$a = preg_split('/<(.*)>/U',$html,-1,PREG_SPLIT_DELIM_CAPTURE);
foreach($a as $i=>$e)
{
if($i%2==0)
{
// Text
if($this->HREF)
$this->PutLink($this->HREF,$e);
else
$this->Write(5,$e);
}
else
{
// Tag
if($e[0]=='/')
$this->CloseTag(strtoupper(substr($e,1)));
else
{
// Extract attributes
$a2 = explode(' ',$e);
$tag = strtoupper(array_shift($a2));
$attr = array();
foreach($a2 as $v)
{
if(preg_match('/([^=]*)=["\']?([^"\']*)/',$v,$a3))
$attr[strtoupper($a3[1])] = $a3[2];
}
$this->OpenTag($tag,$attr);
}
}
}
}

function OpenTag($tag, $attr)
{
// Opening tag
if($tag=='B' || $tag=='I' || $tag=='U')
$this->SetStyle($tag,true);
if($tag=='A')
$this->HREF = $attr['HREF'];
if($tag=='BR')
$this->Ln(5);
}

function CloseTag($tag)
{
// Closing tag
if($tag=='B' || $tag=='I' || $tag=='U')
$this->SetStyle($tag,false);
if($tag=='A')
$this->HREF = '';
}

function SetStyle($tag, $enable)
{
// Modify style and select corresponding font
$this->$tag += ($enable ? 1 : -1);
$style = '';
foreach(array('B', 'I', 'U') as $s)
{
if($this->$s>0)
$style .= $s;
}
$this->SetFont('',$style);
}

function PutLink($URL, $txt)
{
// Put a hyperlink
$this->SetTextColor(0,0,255);
$this->SetStyle('U',true);
$this->Write(5,$txt,$URL);
$this->SetStyle('U',false);
$this->SetTextColor(0);
}
}

$html = 'You can now easily print text mixing different styles: <b>bold</b>, <i>italic</i>,
<u>underlined</u>, or <b><i><u>all at once</u></i></b>!<br><br>You can also insert links on
text, such as <a href="http://www.fpdf.org">www.fpdf.org</a>, or on an image: click on the logo.';

$pdf = new PDF();
// First page
$pdf->AddPage();
$pdf->SetFont('Arial','',20);
$pdf->Write(5,"To find out what's new in this tutorial, click ");
$pdf->SetFont('','U');
$link = $pdf->AddLink();
$pdf->Write(5,'here',$link);
$pdf->SetFont('');
// Second page
$pdf->AddPage();
$pdf->SetLink($link);
$pdf->Image('logo.png',10,12,30,0,'','http://www.fpdf.org');
$pdf->SetLeftMargin(45);
$pdf->SetFontSize(14);
$pdf->WriteHTML($html);
$pdf->Output();
?>